Whystle - Get an alert when products you use are recalled.
The Google Cemetery - A list of dead Google products and why they died
Product Haunt - Browse the Product Hunt graveyard 👻
Winno - Most efficient way to follow what's happening in the world
Product Hunt Real or Fake - Guess which products are real and which are jokes
Indie Hackers - Connect with fellow entrepreneurs, developers, and bootstrappers who are sharing the strategies and revenue numbers behind their companies.